International Congress of Energy and Environment Engineering and Management Portalegre, Portugal, Brito, P. S. D. d., & Gañán Gomez, J. (2010). Energy and environment engineering and management: Selected, peer reviewed papers from the 3rd International Congress of Energy and Environment Engineering and Management, Portalegre, Portugal, 25th to 27th November 2009. Trans Tech Publications.
Lua i Stíl Chicago (17ú heag.)International Congress of Energy and Environment Engineering and Management Portalegre, Portugal, Paulo Sérgio Duque de Brito, agus Jose Gañán Gomez. Energy and Environment Engineering and Management: Selected, Peer Reviewed Papers from the 3rd International Congress of Energy and Environment Engineering and Management, Portalegre, Portugal, 25th to 27th November 2009. Stafa-Zurich, Switzerland ; Enfield, New Hampshire: Trans Tech Publications, 2010.
Lua MLA (9ú heag.)International Congress of Energy and Environment Engineering and Management Portalegre, Portugal, et al. Energy and Environment Engineering and Management: Selected, Peer Reviewed Papers from the 3rd International Congress of Energy and Environment Engineering and Management, Portalegre, Portugal, 25th to 27th November 2009. Trans Tech Publications, 2010.